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Big natural stone green amber on white background
American Indian Arrowhead/Spear Point Artifact in Palm of Hand
asbestos chrysotile fibers that cause lung disease, COPD, lung cancer, mesothelioma
Unique sandstone formations along the shoreline of Hornby Island, a popular travel destination along the west coast of Canada.
anatase from Pakistan isolated on white background
Agate is a microcrystalline variety of quartz, chiefly chalcedony, cryptocrystalline form of silica. Although agates may be found in various kinds of rock, they are classically associated with volcanic rocks but can be common in certain metamorphic rocks. Most agates occur as nodules in volcanic rocks or ancient lavas where they represent cavities originally produced by the disengagement of volatiles in the molten mass which were then filled, wholly by siliceous matter deposited in regular layers upon the walls. Cathedral Valley, Capitol Reef National Park, Utah.
Ancient fish fossils are on a rock
The Verrucan Stone is a sediment conglomerate from the permian period. It consists of silicoplastics and vulcanic source. The Verrucano stones from switzerland (canton glarus and graubuenden) appear often in green ord red colurs. The close-up image was captured in the canton of glarus.
Flooded trees in the green water of Radon Lake in a granite quarry in the Nikolaev region, Ukraine
Whitley Bay rock formations.
Axe head from Stone Age, found in a landslide.
Natural ecology, stone, rust, texture, background, abstract, plain stone, rock, building material, shape, solid, marble, granite, sea stone, wall, floor, stone wall, color, nature, simplicity
Old tungsten (wolfram) mine is now a toxic, abandoned but beautiful green lake. Mount Neme, Spain
Devonian microfossils in limestone matrix include circular and cylindrical crinoids, fan-shaped brachiopod (shell) fragments, speckled bryozoan fragments. Rock is about 1 1/2\
A limestone rock with seashell fossils from Croatian island Krk
Bivalvia Fossil inside a limestone rock on moss floor. Gastropods from the jurassic period captured during autumn season.
a sample of minerals from nature
Ancient rock art incised in a sandstone boulder.
lizardite from Norway isolated on white background
Hot river at Geothermalatea in the Haukadalur valley, east of Reykjavík, Iceland.
Lake formation in an old abandoned quarry. Quarry lake. Crushed stone dumps in a closed area for stone extraction. Termination of mining operations.
Yellowstone Geyser erupts at Yellowstone National Park in the northwest corner of Wyoming, USA.Nikon D3x
Blue Pond is a tourist destination in Hokkaido.\nIt was bluer than I expected.
Amazing view of curvy, meandering Zavoj lake on Old Mountain, Serbia
Leaf Fossil
Ground granite rock with two groups of concentric circles, Pena de Chaos petroglyphs decoration and ancestral art , Antas de Ulla, Lugo province, Galicia, Spain, set in early Bronze Age. Petroglyphs are of public free access.
a view of a green lake with cliffs showing layers of rock, and light reflecting like a mirror
High angle view of a beautiful lake
Limestone Open-pit mine Quarry Colors of Water Run Off as soon from Aerial Drone over central texas limestone extraction factory you can see all the different routes the water will flow.
Quartz in Ammonit
Free Images: "bestof:Putative Paleolake - Once in the ancient past, this might have been a lake. Studying minerals will help determine if any clays are present. Putative Paleolake -"
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